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NARROW
Format
Article Type
Journal
Publisher
Section
GeoRef Subject
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all geography including DSDP/ODP Sites and Legs
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Africa
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Sahara (1)
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Southern Africa
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South Africa
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Transvaal region (1)
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Arctic region
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Greenland (1)
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Asia
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Far East
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China (1)
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Laos (1)
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Indian Peninsula
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India (2)
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Pakistan (1)
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Middle East
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Turkey (1)
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Atlantic Ocean
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North Atlantic
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Baltimore Canyon Trough (1)
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Gulf of Mexico (1)
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North Sea (1)
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Atlantic region (1)
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Australasia
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Australia (1)
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Avalon Zone (1)
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Blue Mountain (1)
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Canada
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Eastern Canada
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Maritime Provinces
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Nova Scotia (3)
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Newfoundland and Labrador
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Newfoundland
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Humber Arm Allochthon (1)
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Ontario
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Quebec
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Western Canada
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Alberta (2)
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Caribbean region
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West Indies
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Central America
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Central Basin (1)
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Commonwealth of Independent States
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Russian Federation (2)
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Europe
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Central Europe
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Germany
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Donets Basin (1)
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Southern Europe
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Iberian Peninsula
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Italy
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Calabria Italy (1)
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Western Europe
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Scandinavia
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Denmark (1)
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Norway
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United Kingdom
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Great Britain
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England
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Shropshire England (1)
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Scotland (1)
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Wales
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Anglesey Wales (1)
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Pembrokeshire Wales
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Pembroke Wales (1)
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Fall Line (1)
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Green River basin (1)
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Mohawk Valley (1)
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North America
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Appalachian Basin (47)
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Appalachians
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Allegheny Mountains (2)
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Appalachian Plateau (22)
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Central Appalachians (16)
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Great Appalachian Valley (2)
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Northern Appalachians (3)
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Piedmont (13)
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Southern Appalachians (2)
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Valley and Ridge Province (40)
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Basin and Range Province
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Great Basin (1)
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Canadian Shield
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Grenville Province
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Central Metasedimentary Belt (1)
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Champlain Valley (1)
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Eastern Overthrust Belt (1)
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Great Lakes
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Great Lakes region (1)
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Gulf Coastal Plain (6)
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Michigan Basin (1)
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Rocky Mountains
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Canadian Rocky Mountains (1)
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Saint Lawrence Lowlands (1)
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Western Canada Sedimentary Basin (2)
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Williston Basin (1)
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Pacific Ocean
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East Pacific
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Northeast Pacific
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Cascadia Basin (1)
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-
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North Pacific
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Northeast Pacific
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Cascadia Basin (1)
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Northwest Pacific
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Nankai Trough (1)
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West Pacific
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Northwest Pacific
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Nankai Trough (1)
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Palisades Sill (4)
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South America
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Argentina
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Brazil
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Chile (1)
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South Mountain (1)
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United States
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Alabama
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Shelby County Alabama (1)
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Alaska
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Aleutian Islands (1)
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Brooks Range (1)
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Allegheny Front (4)
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Allegheny Mountains (2)
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Anadarko Basin (1)
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Arizona (2)
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Atlantic Coastal Plain
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California
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Santa Barbara Channel (1)
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Southern California (1)
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Catskill Delta (10)
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Colorado (3)
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Connecticut Valley (1)
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Culpeper Basin (1)
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Delaware (11)
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Dunkard Basin (6)
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Eastern U.S.
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Southeastern U.S. (1)
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Florida
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Illinois (9)
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Kansas
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Kentucky (27)
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Maryland
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Worcester County Maryland (1)
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Massachusetts
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Michigan (5)
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Mississippi (1)
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Missouri
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Montana (3)
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Nebraska (1)
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Nevada (2)
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New England (3)
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New Jersey
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Sussex County New Jersey (1)
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New Mexico (4)
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New York
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Adirondack Mountains (1)
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Broome County New York (1)
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Chautauqua County New York (1)
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Cortland County New York (1)
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Schoharie County New York (1)
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Schuyler County New York (1)
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Newark Basin (3)
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Newark-Gettysburg Basin (1)
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North Carolina
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New Hanover County North Carolina
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Wilmington North Carolina (1)
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-
-
Ohio
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Ashtabula County Ohio (2)
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Franklin County Ohio
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Columbus Ohio (1)
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Summit County Ohio
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Akron Ohio (1)
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-
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Ohio River valley (1)
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Oklahoma (8)
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Oregon (1)
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Pennsylvania
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Adams County Pennsylvania (1)
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Armstrong County Pennsylvania (1)
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Bedford County Pennsylvania (2)
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Blair County Pennsylvania (11)
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Bradford County Pennsylvania (4)
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Cambria County Pennsylvania (2)
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Cameron County Pennsylvania (1)
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Centre County Pennsylvania (17)
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Clearfield County Pennsylvania (4)
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Clinton County Pennsylvania (10)
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Columbia County Pennsylvania (2)
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Dauphin County Pennsylvania
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Harrisburg Pennsylvania (1)
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-
Fayette County Pennsylvania (2)
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Franklin County Pennsylvania (1)
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Huntingdon County Pennsylvania (15)
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Indiana County Pennsylvania (3)
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Jefferson County Pennsylvania (1)
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Juniata County Pennsylvania (1)
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Lancaster County Pennsylvania (1)
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Luzerne County Pennsylvania (2)
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Lycoming County Pennsylvania (5)
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McKean County Pennsylvania (1)
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Mifflin County Pennsylvania (5)
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Northampton County Pennsylvania (1)
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Northumberland County Pennsylvania (1)
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Perry County Pennsylvania (5)
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Snyder County Pennsylvania (3)
-
Sullivan County Pennsylvania (2)
-
Susquehanna County Pennsylvania (1)
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Tioga County Pennsylvania (4)
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Union County Pennsylvania (3)
-
Washington County Pennsylvania (1)
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Westmoreland County Pennsylvania (1)
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Wyoming County Pennsylvania (2)
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Potomac River (1)
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Reading Prong (1)
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South Dakota (1)
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Southern U.S. (1)
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Susquehanna River (4)
-
Susquehanna River basin (2)
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Tennessee
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Jefferson County Tennessee (1)
-
-
Texas
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Fort Worth Basin (1)
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West Texas (1)
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Utah (4)
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Vermont (3)
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Virginia
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Henrico County Virginia (1)
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Richmond Virginia (1)
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West Virginia
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Berkeley County West Virginia (1)
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Hampshire County West Virginia (1)
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Harrison County West Virginia (1)
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Marion County West Virginia (1)
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Monroe County West Virginia (1)
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Morgan County West Virginia (1)
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Preston County West Virginia (1)
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Western U.S. (1)
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Wisconsin (1)
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Wyoming (3)
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Yellowstone National Park (1)
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Walker Lake (1)
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commodities
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bitumens (3)
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brines (6)
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ceramic materials (1)
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coal deposits
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coke coal (1)
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energy sources (19)
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geothermal energy (2)
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graphite deposits (1)
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metal ores
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copper ores (4)
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iron ores (2)
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lead ores (2)
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lead-zinc deposits (1)
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uranium ores (2)
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-
mineral deposits, genesis (18)
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mineral exploration (5)
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mineral resources (1)
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oil and gas fields (17)
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petroleum
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natural gas
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coalbed methane (2)
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shale gas (7)
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-
-
water resources (5)
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-
elements, isotopes
-
carbon
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C-13/C-12 (8)
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C-14 (1)
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organic carbon (4)
-
-
halogens
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bromine
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bromide ion (1)
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-
chlorine (1)
-
-
hydrogen
-
D/H (3)
-
-
isotope ratios (9)
-
isotopes
-
radioactive isotopes
-
Al-26 (1)
-
Be-10 (2)
-
C-14 (1)
-
-
stable isotopes
-
C-13/C-12 (8)
-
D/H (3)
-
O-18/O-16 (6)
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Sr-87/Sr-86 (1)
-
-
-
metals
-
actinides
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uranium (1)
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-
alkaline earth metals
-
barium (1)
-
beryllium
-
Be-10 (2)
-
-
calcium (1)
-
magnesium (3)
-
strontium
-
Sr-87/Sr-86 (1)
-
-
-
aluminum
-
Al-26 (1)
-
-
arsenic (1)
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chromium (1)
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cobalt (1)
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copper (6)
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gallium (1)
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germanium (1)
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iron (7)
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lead (1)
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molybdenum (1)
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nickel (3)
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rare earths (2)
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titanium (1)
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zinc (4)
-
-
nitrogen (2)
-
noble gases
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argon (1)
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helium (1)
-
-
oxygen
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O-18/O-16 (6)
-
-
phosphorus (1)
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selenium (1)
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sulfur
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organic sulfur (1)
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-
-
fossils
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bacteria
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coliform bacteria (1)
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-
borings (2)
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burrows (5)
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Chordata
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Vertebrata
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Agnatha (1)
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Pisces
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Osteichthyes
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Sarcopterygii
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Crossopterygii (1)
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-
-
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Tetrapoda
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Amphibia (2)
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Mammalia (1)
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Reptilia
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Diapsida
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Archosauria
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dinosaurs (1)
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Synapsida
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Therapsida
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Dicynodontia (1)
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-
-
-
-
-
-
Graptolithina (1)
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ichnofossils
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Cruziana (1)
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Ophiomorpha (1)
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Rusophycus (1)
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Skolithos (2)
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Invertebrata
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Arthropoda
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Chelicerata
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Arachnida (1)
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Merostomata
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Eurypterida (3)
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-
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Mandibulata
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Crustacea
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Branchiopoda (1)
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Malacostraca (1)
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Ostracoda (5)
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Insecta (2)
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Myriapoda (3)
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Trilobitomorpha
-
Trilobita
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Phacopida (1)
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Ptychopariida
-
Proetidae (1)
-
-
-
-
-
Brachiopoda
-
Articulata
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Orthida (1)
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Strophomenida (1)
-
-
Inarticulata
-
Lingula (1)
-
-
-
Bryozoa (1)
-
Cnidaria
-
Anthozoa (3)
-
-
Echinodermata
-
Asterozoa
-
Stelleroidea
-
Asteroidea (2)
-
Ophiuroidea (2)
-
-
-
Crinozoa
-
Crinoidea (1)
-
-
Echinozoa
-
Edrioasteroidea (1)
-
-
-
Mollusca
-
Bivalvia
-
Pterioida
-
Pteriina
-
Anthraconaia (1)
-
-
-
-
Cephalopoda
-
Ammonoidea (2)
-
-
Gastropoda (6)
-
Hyolithes (2)
-
Monoplacophora (1)
-
Polyplacophora (1)
-
-
Porifera (3)
-
Protista
-
Foraminifera
-
Fusulinina
-
Fusulinidae (1)
-
-
-
-
Vermes
-
Annelida (1)
-
-
-
microfossils
-
Chitinozoa (1)
-
Conodonta (7)
-
Fusulinina
-
Fusulinidae (1)
-
-
-
palynomorphs
-
acritarchs (2)
-
Chitinozoa (1)
-
miospores
-
pollen (1)
-
-
-
Plantae
-
algae (4)
-
Pteridophyta
-
Filicopsida
-
Archaeopteris (1)
-
-
Lycopsida
-
Stigmaria (1)
-
-
-
-
problematic fossils (1)
-
thallophytes (3)
-
tracks (1)
-
-
geochronology methods
-
Ar/Ar (3)
-
K/Ar (4)
-
optical mineralogy (1)
-
paleomagnetism (6)
-
Pb/Pb (1)
-
Rb/Sr (2)
-
tephrochronology (1)
-
U/Pb (3)
-
-
geologic age
-
Cenozoic
-
Quaternary
-
Holocene (1)
-
Pleistocene
-
Illinoian (1)
-
upper Pleistocene
-
Wisconsinan
-
lower Wisconsinan (1)
-
-
-
-
-
Tertiary
-
Neogene
-
Miocene (1)
-
-
Paleogene
-
Eocene (1)
-
-
-
-
Mesozoic
-
Brunswick Formation (1)
-
Cretaceous
-
Upper Cretaceous
-
Gulfian
-
Eagle Ford Formation (2)
-
-
-
-
Jurassic
-
Lower Jurassic (2)
-
Upper Jurassic
-
Haynesville Formation (1)
-
Kimmeridge Clay (1)
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-
-
lower Mesozoic (1)
-
Newark Supergroup (1)
-
Triassic
-
Upper Triassic (2)
-
-
-
Paleozoic
-
Bedford Shale (2)
-
Berea Sandstone (5)
-
Cambrian
-
Acadian (2)
-
Lower Cambrian
-
Kinzers Formation (2)
-
Rome Formation (1)
-
Zabriskie Quartzite (1)
-
-
Middle Cambrian (1)
-
Pioche Shale (1)
-
Upper Cambrian
-
Bonneterre Formation (1)
-
Lamotte Sandstone (1)
-
Maynardville Limestone (1)
-
Potsdam Sandstone (1)
-
-
-
Carboniferous
-
Mississippian
-
Barnett Shale (1)
-
Logan Formation (1)
-
Lower Mississippian
-
Cuyahoga Formation (1)
-
Kinderhookian (1)
-
Osagian (1)
-
Pocono Formation (2)
-
-
Price Formation (1)
-
Sunbury Shale (1)
-
Upper Mississippian
-
Chesterian (1)
-
Greenbrier Limestone (2)
-
Mauch Chunk Formation (6)
-
-
-
Pennsylvanian
-
Conemaugh Group (5)
-
Freeport Formation (2)
-
Kittanning Formation (9)
-
Lower Pennsylvanian
-
Morrowan (1)
-
New River Formation (2)
-
-
Middle Pennsylvanian
-
Allegheny Group (9)
-
Atokan (2)
-
Breathitt Formation (1)
-
Carbondale Formation (1)
-
Desmoinesian
-
Cherokee Group (1)
-
-
Kanawha Formation (1)
-
-
Monongahela Group (1)
-
Pittsburgh Coal (1)
-
Pottsville Group (10)
-
Sharon Conglomerate (1)
-
Upper Pennsylvanian
-
Ames Limestone (1)
-
Glenshaw Formation (2)
-
Missourian
-
Lansing Group (1)
-
-
Virgilian (1)
-
-
-
Upper Carboniferous (1)
-
-
Catskill Formation (12)
-
Chattanooga Shale (1)
-
Devonian
-
Genesee Group (2)
-
Lower Devonian
-
Coeymans Formation (1)
-
Emsian (3)
-
Lochkovian (1)
-
Oriskany Sandstone (18)
-
Pragian (1)
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Siegenian (1)
-
-
Middle Devonian
-
Columbus Limestone (1)
-
Delaware Limestone (1)
-
Detroit River Group (1)
-
Dundee Limestone (1)
-
Eifelian (4)
-
Givetian (1)
-
Hamilton Group (13)
-
Mahantango Formation (5)
-
Marcellus Shale (32)
-
Onondaga Limestone (10)
-
Tioga Bentonite (2)
-
Tully Limestone (5)
-
-
Millboro Shale (2)
-
Old Red Sandstone (2)
-
Upper Devonian
-
Brallier Shale (5)
-
Chemung Formation (3)
-
Cleveland Member (1)
-
Famennian
-
upper Famennian (1)
-
-
Frasnian (2)
-
Huron Member (1)
-
Ohio Shale (2)
-
-
-
Dunkard Group (3)
-
Helderberg Group (2)
-
Keyser Limestone (1)
-
Knox Group (1)
-
lower Paleozoic
-
Conococheague Formation (2)
-
Glenarm Series (1)
-
Rose Run Sandstone (1)
-
Wilmington Complex (4)
-
-
New Albany Shale (1)
-
Ordovician
-
Lower Ordovician
-
Beekmantown Group (3)
-
-
Martinsburg Formation (8)
-
Meguma Group (1)
-
Middle Ordovician
-
Deicke Bentonite Bed (1)
-
Millbrig Bentonite Bed (1)
-
-
Trenton Group (2)
-
Upper Ordovician
-
Cincinnatian
-
Richmondian (1)
-
-
Hirnantian (1)
-
Juniata Formation (9)
-
Katian (1)
-
Reedsville Formation (2)
-
Trentonian (3)
-
-
Utica Shale (2)
-
-
Permian
-
Lower Permian (1)
-
Middle Permian (1)
-
Stone Corral Formation (1)
-
Upper Permian (2)
-
-
Rondout Formation (2)
-
Shawangunk Formation (1)
-
Silurian
-
Lower Silurian
-
Llandovery (1)
-
Tuscarora Formation (14)
-
-
Middle Silurian
-
Clinton Group (3)
-
Keefer Sandstone (2)
-
McKenzie Formation (1)
-
Rose Hill Formation (3)
-
-
Upper Silurian
-
Bloomsburg Formation (7)
-
Ludlow (1)
-
Salina Group (2)
-
-
-
upper Paleozoic
-
Kaskaskia Sequence (1)
-
Pictou Group (1)
-
-
Wissahickon Formation (3)
-
Woodford Shale (1)
-
-
Phanerozoic (2)
-
Precambrian
-
Baltimore Gneiss (2)
-
upper Precambrian
-
Proterozoic (3)
-
-
Witwatersrand Supergroup (1)
-
-
-
igneous rocks
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igneous rocks
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granophyre (2)
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kimberlite (2)
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plutonic rocks
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anorthosite (1)
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diabase (9)
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granites
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aplite (1)
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lamprophyres
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spessartite (1)
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pegmatite (2)
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volcanic rocks
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basalts
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tholeiite (2)
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tholeiitic basalt (1)
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glasses (2)
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pyroclastics
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tuff (2)
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-
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volcanic ash (4)
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metamorphic rocks
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K-bentonite (5)
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metamorphic rocks
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amphibolites (1)
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serpentinite (1)
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metasedimentary rocks (3)
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serpentinite (1)
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metavolcanic rocks (1)
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schists (5)
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slates (7)
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turbidite (1)
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minerals
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carbonates
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aragonite (1)
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calcite (7)
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dolomite (4)
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-
K-bentonite (5)
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metabentonite (1)
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minerals (4)
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native elements
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graphite (1)
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oxides
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baddeleyite (2)
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corundum (1)
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ilmenite (1)
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iron oxides (1)
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limonite (2)
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magnetite (4)
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niobates
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columbite (1)
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tantalates (1)
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ulvospinel (1)
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uraninite (1)
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phosphates
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apatite (1)
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monazite (2)
-
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silicates
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chain silicates
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amphibole group
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clinoamphibole
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hornblende (1)
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-
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prehnite (2)
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pyroxene group
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orthopyroxene
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hypersthene (1)
-
-
-
-
framework silicates
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feldspar group
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alkali feldspar
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K-feldspar (1)
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-
plagioclase
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albite (1)
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-
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scapolite group
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scapolite (1)
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silica minerals
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jasper (1)
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quartz (4)
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zeolite group
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laumontite (1)
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leonhardite (1)
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-
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orthosilicates
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nesosilicates
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chloritoid (1)
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garnet group (1)
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olivine group
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olivine (1)
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zircon group
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zircon (4)
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-
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sorosilicates
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epidote group (1)
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-
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ring silicates
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cordierite (1)
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sheet silicates
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chlorite group
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chamosite (2)
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chlorite (2)
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clay minerals
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dickite (1)
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kaolinite (2)
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vermiculite (1)
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illite (7)
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mica group
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muscovite (4)
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palygorskite (1)
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pyrophyllite (1)
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sulfates
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anhydrite (1)
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barite (1)
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jarosite (1)
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sulfides
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bornite (1)
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chalcopyrite (1)
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iron sulfides (1)
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marcasite (1)
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millerite (1)
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pyrite (6)
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sphalerite (1)
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wurtzite (1)
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zinc sulfides (1)
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-
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Primary terms
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absolute age (14)
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Africa
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Sahara (1)
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Southern Africa
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South Africa
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Transvaal region (1)
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Arctic region
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Asia
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Far East
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Middle East
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Australasia
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bacteria
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bibliography (13)
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Canada
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Ontario
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Quebec
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Western Canada
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Alberta (2)
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carbon
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C-13/C-12 (8)
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C-14 (1)
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organic carbon (4)
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Caribbean region
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West Indies
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Bahamas (2)
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Cenozoic
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Quaternary
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Holocene (1)
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Pleistocene
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upper Pleistocene
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Wisconsinan
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lower Wisconsinan (1)
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-
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Tertiary
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Neogene
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Miocene (1)
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Paleogene
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Eocene (1)
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Central America
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Guatemala (1)
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ceramic materials (1)
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chemical analysis (3)
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Chordata
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Vertebrata
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Agnatha (1)
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Pisces
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Osteichthyes
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Sarcopterygii
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Crossopterygii (1)
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-
-
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Tetrapoda
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Amphibia (2)
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Mammalia (1)
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Reptilia
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Diapsida
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Archosauria
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dinosaurs (1)
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Synapsida
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Therapsida
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Dicynodontia (1)
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clay mineralogy (13)
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coal deposits
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coke coal (1)
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crust (7)
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crystal growth (3)
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crystal structure (2)
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deformation (22)
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diagenesis (18)
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Earth (1)
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earthquakes (8)
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Europe
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Central Europe
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Germany
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Saxony Germany (1)
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Donets Basin (1)
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Southern Europe
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Iberian Peninsula
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Spain (1)
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Italy
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Western Europe
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Scandinavia
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Norway
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United Kingdom
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Great Britain
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England
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Scotland (1)
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Wales
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Anglesey Wales (1)
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explosions (4)
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faults (59)
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foliation (9)
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foundations (1)
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graphite deposits (1)
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Graptolithina (1)
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ground water (24)
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heat flow (5)
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hydrogen
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D/H (3)
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hydrogeology (1)
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hydrology (14)
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ichnofossils
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Cruziana (1)
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Ophiomorpha (1)
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Rusophycus (1)
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Skolithos (2)
-
-
igneous rocks
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granophyre (2)
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kimberlite (2)
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plutonic rocks
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anorthosite (1)
-
diabase (9)
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granites
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aplite (1)
-
-
lamprophyres
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spessartite (1)
-
-
pegmatite (2)
-
-
volcanic rocks
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basalts
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tholeiite (2)
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tholeiitic basalt (1)
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glasses (2)
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pyroclastics
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tuff (2)
-
-
-
-
impact statements (1)
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inclusions
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fluid inclusions (7)
-
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intrusions (16)
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Invertebrata
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Arthropoda
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Chelicerata
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Arachnida (1)
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Merostomata
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Eurypterida (3)
-
-
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Mandibulata
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Crustacea
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Branchiopoda (1)
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Malacostraca (1)
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Ostracoda (5)
-
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Insecta (2)
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Myriapoda (3)
-
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Trilobitomorpha
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Trilobita
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Phacopida (1)
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Ptychopariida
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Proetidae (1)
-
-
-
-
-
Brachiopoda
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Articulata
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Orthida (1)
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Strophomenida (1)
-
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Inarticulata
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Lingula (1)
-
-
-
Bryozoa (1)
-
Cnidaria
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Anthozoa (3)
-
-
Echinodermata
-
Asterozoa
-
Stelleroidea
-
Asteroidea (2)
-
Ophiuroidea (2)
-
-
-
Crinozoa
-
Crinoidea (1)
-
-
Echinozoa
-
Edrioasteroidea (1)
-
-
-
Mollusca
-
Bivalvia
-
Pterioida
-
Pteriina
-
Anthraconaia (1)
-
-
-
-
Cephalopoda
-
Ammonoidea (2)
-
-
Gastropoda (6)
-
Hyolithes (2)
-
Monoplacophora (1)
-
Polyplacophora (1)
-
-
Porifera (3)
-
Protista
-
Foraminifera
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Fusulinina
-
Fusulinidae (1)
-
-
-
-
Vermes
-
Annelida (1)
-
-
-
isostasy (4)
-
isotopes
-
radioactive isotopes
-
Al-26 (1)
-
Be-10 (2)
-
C-14 (1)
-
-
stable isotopes
-
C-13/C-12 (8)
-
D/H (3)
-
O-18/O-16 (6)
-
Sr-87/Sr-86 (1)
-
-
-
land subsidence (3)
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land use (1)
-
lineation (4)
-
magmas (9)
-
mantle (1)
-
maps (54)
-
Mesozoic
-
Brunswick Formation (1)
-
Cretaceous
-
Upper Cretaceous
-
Gulfian
-
Eagle Ford Formation (2)
-
-
-
-
Jurassic
-
Lower Jurassic (2)
-
Upper Jurassic
-
Haynesville Formation (1)
-
Kimmeridge Clay (1)
-
-
-
lower Mesozoic (1)
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Newark Supergroup (1)
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Triassic
-
Upper Triassic (2)
-
-
-
metal ores
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copper ores (4)
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iron ores (2)
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lead ores (2)
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lead-zinc deposits (1)
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uranium ores (2)
-
-
metals
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actinides
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uranium (1)
-
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alkaline earth metals
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barium (1)
-
beryllium
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Be-10 (2)
-
-
calcium (1)
-
magnesium (3)
-
strontium
-
Sr-87/Sr-86 (1)
-
-
-
aluminum
-
Al-26 (1)
-
-
arsenic (1)
-
chromium (1)
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cobalt (1)
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copper (6)
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gallium (1)
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germanium (1)
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iron (7)
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lead (1)
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molybdenum (1)
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nickel (3)
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rare earths (2)
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titanium (1)
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zinc (4)
-
-
metamorphic rocks
-
amphibolites (1)
-
gneisses (7)
-
granulites (1)
-
marbles (1)
-
metaigneous rocks
-
serpentinite (1)
-
-
metasedimentary rocks (3)
-
metasomatic rocks
-
serpentinite (1)
-
-
metavolcanic rocks (1)
-
quartzites (1)
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schists (5)
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slates (7)
-
-
metamorphism (21)
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metasomatism (5)
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mineral deposits, genesis (18)
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mineral exploration (5)
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mineralogy (42)
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minerals (4)
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mining geology (4)
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nitrogen (2)
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noble gases
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argon (1)
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helium (1)
-
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nodules (1)
-
North America
-
Appalachian Basin (47)
-
Appalachians
-
Allegheny Mountains (2)
-
Appalachian Plateau (22)
-
Central Appalachians (16)
-
Great Appalachian Valley (2)
-
Northern Appalachians (3)
-
Piedmont (13)
-
Southern Appalachians (2)
-
Valley and Ridge Province (40)
-
-
Basin and Range Province
-
Great Basin (1)
-
-
Canadian Shield
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Grenville Province
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Central Metasedimentary Belt (1)
-
-
-
Champlain Valley (1)
-
Eastern Overthrust Belt (1)
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Great Lakes
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Lake Erie (1)
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Lake Ontario (1)
-
-
Great Lakes region (1)
-
Gulf Coastal Plain (6)
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Michigan Basin (1)
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Rocky Mountains
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Canadian Rocky Mountains (1)
-
-
Saint Lawrence Lowlands (1)
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Western Canada Sedimentary Basin (2)
-
Williston Basin (1)
-
-
oceanography (1)
-
oil and gas fields (17)
-
orogeny (21)
-
oxygen
-
O-18/O-16 (6)
-
-
Pacific Ocean
-
East Pacific
-
Northeast Pacific
-
Cascadia Basin (1)
-
-
-
North Pacific
-
Northeast Pacific
-
Cascadia Basin (1)
-
-
Northwest Pacific
-
Nankai Trough (1)
-
-
-
West Pacific
-
Northwest Pacific
-
Nankai Trough (1)
-
-
-
-
paleobotany (4)
-
paleoclimatology (13)
-
paleoecology (18)
-
paleogeography (23)
-
paleomagnetism (6)
-
paleontology (77)
-
Paleozoic
-
Bedford Shale (2)
-
Berea Sandstone (5)
-
Cambrian
-
Acadian (2)
-
Lower Cambrian
-
Kinzers Formation (2)
-
Rome Formation (1)
-
Zabriskie Quartzite (1)
-
-
Middle Cambrian (1)
-
Pioche Shale (1)
-
Upper Cambrian
-
Bonneterre Formation (1)
-
Lamotte Sandstone (1)
-
Maynardville Limestone (1)
-
Potsdam Sandstone (1)
-
-
-
Carboniferous
-
Mississippian
-
Barnett Shale (1)
-
Logan Formation (1)
-
Lower Mississippian
-
Cuyahoga Formation (1)
-
Kinderhookian (1)
-
Osagian (1)
-
Pocono Formation (2)
-
-
Price Formation (1)
-
Sunbury Shale (1)
-
Upper Mississippian
-
Chesterian (1)
-
Greenbrier Limestone (2)
-
Mauch Chunk Formation (6)
-
-
-
Pennsylvanian
-
Conemaugh Group (5)
-
Freeport Formation (2)
-
Kittanning Formation (9)
-
Lower Pennsylvanian
-
Morrowan (1)
-
New River Formation (2)
-
-
Middle Pennsylvanian
-
Allegheny Group (9)
-
Atokan (2)
-
Breathitt Formation (1)
-
Carbondale Formation (1)
-
Desmoinesian
-
Cherokee Group (1)
-
-
Kanawha Formation (1)
-
-
Monongahela Group (1)
-
Pittsburgh Coal (1)
-
Pottsville Group (10)
-
Sharon Conglomerate (1)
-
Upper Pennsylvanian
-
Ames Limestone (1)
-
Glenshaw Formation (2)
-
Missourian
-
Lansing Group (1)
-
-
Virgilian (1)
-
-
-
Upper Carboniferous (1)
-
-
Catskill Formation (12)
-
Chattanooga Shale (1)
-
Devonian
-
Genesee Group (2)
-
Lower Devonian
-
Coeymans Formation (1)
-
Emsian (3)
-
Lochkovian (1)
-
Oriskany Sandstone (18)
-
Pragian (1)
-
Siegenian (1)
-
-
Middle Devonian
-
Columbus Limestone (1)
-
Delaware Limestone (1)
-
Detroit River Group (1)
-
Dundee Limestone (1)
-
Eifelian (4)
-
Givetian (1)
-
Hamilton Group (13)
-
Mahantango Formation (5)
-
Marcellus Shale (32)
-
Onondaga Limestone (10)
-
Tioga Bentonite (2)
-
Tully Limestone (5)
-
-
Millboro Shale (2)
-
Old Red Sandstone (2)
-
Upper Devonian
-
Brallier Shale (5)
-
Chemung Formation (3)
-
Cleveland Member (1)
-
Famennian
-
upper Famennian (1)
-
-
Frasnian (2)
-
Huron Member (1)
-
Ohio Shale (2)
-
-
-
Dunkard Group (3)
-
Helderberg Group (2)
-
Keyser Limestone (1)
-
Knox Group (1)
-
lower Paleozoic
-
Conococheague Formation (2)
-
Glenarm Series (1)
-
Rose Run Sandstone (1)
-
Wilmington Complex (4)
-
-
New Albany Shale (1)
-
Ordovician
-
Lower Ordovician
-
Beekmantown Group (3)
-
-
Martinsburg Formation (8)
-
Meguma Group (1)
-
Middle Ordovician
-
Deicke Bentonite Bed (1)
-
Millbrig Bentonite Bed (1)
-
-
Trenton Group (2)
-
Upper Ordovician
-
Cincinnatian
-
Richmondian (1)
-
-
Hirnantian (1)
-
Juniata Formation (9)
-
Katian (1)
-
Reedsville Formation (2)
-
Trentonian (3)
-
-
Utica Shale (2)
-
-
Permian
-
Lower Permian (1)
-
Middle Permian (1)
-
Stone Corral Formation (1)
-
Upper Permian (2)
-
-
Rondout Formation (2)
-
Shawangunk Formation (1)
-
Silurian
-
Lower Silurian
-
Llandovery (1)
-
Tuscarora Formation (14)
-
-
Middle Silurian
-
Clinton Group (3)
-
Keefer Sandstone (2)
-
McKenzie Formation (1)
-
Rose Hill Formation (3)
-
-
Upper Silurian
-
Bloomsburg Formation (7)
-
Ludlow (1)
-
Salina Group (2)
-
-
-
upper Paleozoic
-
Kaskaskia Sequence (1)
-
Pictou Group (1)
-
-
Wissahickon Formation (3)
-
Woodford Shale (1)
-
-
palynology (2)
-
palynomorphs
-
acritarchs (2)
-
Chitinozoa (1)
-
miospores
-
pollen (1)
-
-
-
paragenesis (5)
-
petroleum
-
natural gas
-
coalbed methane (2)
-
shale gas (7)
-
-
-
petrology (59)
-
Phanerozoic (2)
-
phase equilibria (3)
-
phosphorus (1)
-
Plantae
-
algae (4)
-
Pteridophyta
-
Filicopsida
-
Archaeopteris (1)
-
-
Lycopsida
-
Stigmaria (1)
-
-
-
-
plate tectonics (4)
-
pollution (13)
-
Precambrian
-
Baltimore Gneiss (2)
-
upper Precambrian
-
Proterozoic (3)
-
-
Witwatersrand Supergroup (1)
-
-
problematic fossils (1)
-
reclamation (3)
-
reefs (7)
-
remote sensing (6)
-
reservoirs (2)
-
roads (2)
-
rock mechanics (8)
-
sea water (1)
-
sea-level changes (13)
-
sedimentary petrology (48)
-
sedimentary rocks
-
carbonate rocks
-
dolostone (5)
-
limestone
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